Tapping screw



FIG. 1 is a top plan view of the tapping screw;

FIG. 2 is a front elevation thereof;

FIG. 3 is a bottom plan view;

FIG. 4 is a right-side elevation thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a left-side elevation thereof;

FIG. 7 is a cross section taken along the line 7-7 in FIG. 1; and,

FIG. 8 is a perspective partially magnified reference view of the threaded portion of the screw. The portion is shown enlarged for ease of illustration. 

The ornamental design for a tapping screw, as shown and described. 